#lastuniversalcommonancestor — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #lastuniversalcommonancestor, aggregated by home.social.
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We identified protein domains in LUCA (#LastUniversalCommonAncestor). Their distinctive #AminoAcid usage reveals the order amino acids were added to the #GeneticCode, based mostly on size. Older proteins hint at earlier alternative codes. 1/15 https://www.pnas.org/doi/10.1073/pnas.2410311121 #astrobiology #phylostratigraphy #sulfur #metalloproteins